These red metal lug caps are available in a variety of sizes to be paired with a range of glass containers. The plastisol liner creates a hermetic seal around the rim of the glass jar or bottle, when heated and cooled properly. Upon first removing the metal caps there will be a popping noise, signifying the seal has been broken. This airtight, tamper evident seal makes this metal cap ideal for preserving foods. Add to Cart

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These red metal lug caps are available in a variety of sizes to be paired with a range of glass containers. The plastisol liner creates a hermetic seal around the rim of the glass jar or bottle, when heated and cooled properly. Upon first removing the metal caps there will be a popping noise, signifying the seal has been broken. This airtight, tamper evident seal makes this metal cap ideal for preserving foods.